CN208918933U - A kind of bladeless fan - Google Patents

A kind of bladeless fan Download PDF

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Publication number
CN208918933U
CN208918933U CN201821749936.4U CN201821749936U CN208918933U CN 208918933 U CN208918933 U CN 208918933U CN 201821749936 U CN201821749936 U CN 201821749936U CN 208918933 U CN208918933 U CN 208918933U
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CN
China
Prior art keywords
shell
guiding
wind
housing
fixed
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Active
Application number
CN201821749936.4U
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Chinese (zh)
Inventor
林鲁鹏
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Shenzhen Aihuaxing Mould Co Ltd
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Shenzhen Aihuaxing Mould Co Ltd
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Priority to CN201821749936.4U priority Critical patent/CN208918933U/en
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Publication of CN208918933U publication Critical patent/CN208918933U/en
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Abstract

The utility model discloses a kind of bladeless fans, including wind-guiding inner casing, wind-guiding shell, rear shell and front housing, the front housing and rear shell inner sidewall two sides are respectively and fixedly provided with Kato, front housing inner sidewall outer is fixed with card column, rear shell inner sidewall outer is fixed with card cylinder, inner fixed support rear wall outer, which is fixed with, gets stuck, it is described get stuck in be fixed with 18650 lithium batteries, PCBA board is installed in the fixing groove, the PCBA board is connected separately with switch and light-guiding pillar in two sides up and down, fan blade is installed on output shaft on the drag cup high-speed motor, the wind-guiding interior of shell is provided with wind-guiding inner casing, wind-guiding inner casing front-end and back-end are respectively fixed with lead and trail edges, lead and trail edges on the wind-guiding inner casing respectively correspond the front-end and back-end for being fixed on wind-guiding shell.The utility model solves traditional portable hand-held fan structure complexity, assembles time-consuming, the small problem of wind-force by setting wind-guiding inner casing, wind-guiding shell, rear shell and front housing.

Description

A kind of bladeless fan
Technical field
The utility model relates to fan technology field, specially a kind of bladeless fan.
Background technique
Fan refers to that hot day takes cool apparatus so as to raw wind, with development in science and technology and the market demand, is directed to portable fan You come into being at type fan, and Portable fan is handy to carry about, small in size, light-weight, are favored by vast outdoor subscriber, are Reduction volume and easy to carry, without protective device is increased outside the flabellum of fan, flabellum is in high-speed rotation in order to prevent When damage human body, flabellum is all made of soft material and is made, but soft material is easy to be influenced by air when air is cut in rotation A degree of deformation occurs, causes the amount for stirring gas to reduce, pectinid effect is poor, existing bladeless fan, and internal structure is multiple It is miscellaneous, need link position more between component, it is relatively time-consuming when producing assembly, the setting of the air inlet of fan in bottom sides, into Air port is smaller, and wind-force is extremely limited, and is taking in use, palm is easy to stop air inlet.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of bladeless fan, solves traditional portable hand Fan structure complexity is held, time-consuming, the small problem of wind-force is assembled.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of bladeless fan, including wind-guiding inner casing, Wind-guiding shell, rear shell and front housing, the front housing and rear shell inner sidewall two sides are respectively and fixedly provided with Kato, and front housing inner sidewall outer is solid Surely there is card column, rear shell inner sidewall outer is fixed with card cylinder, between the Kato on the inside of Kato and rear shell on the inside of the front housing Be provided with inner fixed support, inner fixed support rear wall outer, which is fixed with, gets stuck, it is described get stuck in be fixed with 18650 lithiums electricity Pond, the inner fixed support upper front end are provided with fixing groove, are equipped with PCBA board in the fixing groove, above and below the PCBA board Two sides are connected separately with switch and light-guiding pillar, and 18650 lithium battery is connected by inside conductor with PCBA board, the interior fixed branch Frame upper inner is equipped with drag cup high-speed motor, is equipped with fan blade, and wind on the output shaft on the drag cup high-speed motor It is interference fit between output shaft on resettlement groove in leaf and drag cup high-speed motor, on the front housing and rear shell upper portion side wall It is provided with air inlet hole, the front housing and rear shell upper end are respectively connected with half chuck, in half chuck on the front housing and rear shell It is socketed with sleeve, and is interference fit between half chuck on sleeve and front housing and rear shell, is connected with outside wind-guiding on the sleeve Shell, the wind-guiding shell are communicated with sleeve, and the wind-guiding interior of shell is provided with wind-guiding inner casing, and wind-guiding inner casing and wind-guiding shell Between be clearance fit, wind-guiding inner casing front-end and back-end are respectively fixed with lead and trail edges, on the wind-guiding inner casing before Edge and rear edge respectively correspond the front-end and back-end for being fixed on wind-guiding shell, offer outlet air on the wind-guiding inner casing leading inside wall Slot.
Preferably, the card cylinder in the rear shell is set in the card column on front housing, and is matched between card cylinder and card column for interference It closes.
Preferably, it is respectively arranged with switch slot at the switch in the PCBA board and the corresponding front housing position of light-guiding pillar and refers to Show light trough, the switch front end setting is in switch slot, and the light-guiding pillar front end setting is in instruction light trough.
Preferably, the drag cup high-speed motor is connected by inside conductor with PCBA board.
Preferably, the inner fixed support bottom is fixed with charging interface, and charging interface passes through inside conductor and PCBA board It is connected.
(3) beneficial effect
The utility model provides a kind of bladeless fan, have it is following the utility model has the advantages that
(1) the utility model setting front housing and rear shell, front housing and rear shell pass through be arranged in the respectively card column of inside outer and The connection of card cylinder, installing and dismounting is more convenient, and the lithium battery, motor and circuit board element in front housing and rear shell are fastened on interior On fixed bracket, assembling is more convenient, is not in contact with each other between internal component, fixes consolidation by inner fixed support, when When outside is by biggish impact force, it can be formed and be effectively protected under support bracket fastened buffering including internal component, avoided Internal component collides mutually damage.
(2) the utility model air inlet hole be arranged in front housing and rear shell top, air inlet hole is larger, and more, avoid using when hand Portion stops air inlet, which provides power supply, 18650 stability at work Very good, the capacity of unit intensity is very big, and the long period can be used in single charge.
(3) the utility model using drag cup high-speed motor as its power resources, dash forward in structure by drag cup motor The rotor structure form for having broken conventional motors is also hollow cup rotor using iron-core-free rotor, and this rotor structure is thorough Bottom eliminate as iron core forms vortex and caused by electric energy loss, while its weight and rotary inertia are greatly reduced, to subtract Lacked rotor itself mechanical energy loss, due to rotor structure change and make the service performance of motor obtain greatly changing It is kind, not only there is characteristics of energy saving outstanding, more importantly having the control and dragging that iron core motors are unable to reach Characteristic, noise is small when drag cup high-speed motor works, and under same electric energy loss, drag cup high-speed motor longevity of service increases The single use duration of the bladeless fan.
Detailed description of the invention
Fig. 1 is the rear visual angle explosive view of the utility model;
Fig. 2 is the front visual angle explosive view of the utility model;
Fig. 3 is the motor sub-assembly schematic diagram of the utility model;
Fig. 4 is the control assembly schematic diagram of the utility model;
Fig. 5 is the wind-guiding inner casing schematic diagram of the utility model.
In figure: 1, wind-guiding inner casing;2, wind-guiding shell;3, sleeve;4, air inlet hole;5, rear shell;6, front housing;7, drag cup high speed Motor;8, inner fixed support;9, it gets stuck;10, half chuck;11, slot is switched;12, light trough is indicated;13, PCBA board;14, fixing groove; 15,18650 lithium battery;16, Kato;17, charging interface;18, card cylinder;19, card column;20, fan blade;21, output shaft;22, guide-lighting Column;23, it switchs;24, forward position;25, air-out groove;26, rear edge.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-5, the utility model provides a kind of technical solution: a kind of bladeless fan, including wind-guiding inner casing 1, leads Wind shell 2, rear shell 5 and front housing 6, front housing 6 and 5 inner sidewall two sides of rear shell are respectively and fixedly provided with Kato 16, and Kato 16 is for fixed interior solid Fixed rack 8,6 inner sidewall outer of front housing are fixed with card column 19, and 5 inner sidewall outer of rear shell is fixed with card cylinder 18, the card cylinder in rear shell 5 18 are set in the card column 19 on front housing 6, and are interference fit, the connection of card column 19 and card cylinder 18 between card cylinder 18 and card column 19 Cooperation is arranged so that be completely embedded between front housing 6 and rear shell 5 between the Kato 16 of 5 inside of Kato 16 and rear shell of 6 inside of front housing There is an inner fixed support 8,8 rear wall outer of inner fixed support, which is fixed with, gets stuck 9, gets stuck and is fixed with 18650 lithium batteries 15,18650 in 9 Lithium battery 15, which is placed on, to get stuck in 9, prevents 18650 lithium batteries 15 from shaking under external force and pulls apart connection inside conductor, 8 upper front end of inner fixed support is provided with fixing groove 14, and 14 inner wall of fixing groove limitation PCBA board 13 shakes, in fixing groove 14 PCBA board 13 is installed, about 13 two sides of PCBA board are connected separately with switch 23 and light-guiding pillar 22, the switch 23 in PCBA board 13 Slot 11 and instruction light trough 12 are switched with being respectively arranged at corresponding 6 position of front housing of light-guiding pillar 22, the setting of 23 front end of switch is being opened It closes in slot 11, for the setting of 22 front end of light-guiding pillar in instruction light trough 12,8 bottom of inner fixed support is fixed with charging interface 17, and fills Electrical interface 17 is connected by inside conductor with PCBA board 13, and 18650 lithium batteries 15 are connected by inside conductor with PCBA board 13, interior fixation 8 upper inner of bracket is equipped with drag cup high-speed motor 7, and drag cup high-speed motor 7 is connected by inside conductor with PCBA board 13, empty Fan blade 20 is installed, and on the resettlement groove in fan blade 20 and drag cup high-speed motor 7 on the output shaft 21 on heart cup high-speed motor 7 Output shaft 21 between for interference fit, fan blade 20 will not be detached from rotation with output shaft 21, on front housing 6 and rear shell 5 Air inlet hole 4 is provided on portion's side wall, front housing 6 and 5 upper end of rear shell are respectively connected with half chuck 10, half card on front housing 6 and rear shell 5 Sleeve 3 is socketed on platform 10, and between half chuck 10 on sleeve 3 and front housing 6 and rear shell 5 for interference fit, sleeve 3 will before Shell 6 and 5 top of rear shell are completely embedded, and wind-guiding shell 2 is connected on sleeve 3, and wind-guiding shell 2 is communicated with sleeve 3, wind-guiding shell 2 It is internally provided with wind-guiding inner casing 1, and is clearance fit, 1 front-end and back-end of wind-guiding inner casing between wind-guiding inner casing 1 and wind-guiding shell 2 Be respectively fixed with forward position 24 and after forward position 24 on 26, wind-guiding inner casing 1 and after respectively corresponded along 26 and be fixed on wind-guiding shell 2 Front-end and back-end offer air-out groove 25 on 1 leading inside wall of wind-guiding inner casing.
In use, turning on the switch 23, drag cup high-speed motor 7 drives fan blade 20 to rotate, and fan blade 20 rotates so that fan blade 20 Lower part generates negative pressure, and air enters in front housing 6 and rear shell 5 from the air inlet hole 4 on the corresponding front housing 6 in 20 lower section of fan blade and rear shell 5, Entering between wind-guiding shell 2 and wind-guiding inner casing 1 out of sleeve 3 under the agitating of fan blade 20, and via on 1 inner sidewall of wind-guiding inner casing Air-out groove 25 spray, high-speed flow be gathered in wind-guiding inner casing 1 formation wind-tunnel centre, to extract in wind-guiding inner casing 1 The static air-flow at wind-tunnel center sends out the air guide hole of wind-guiding inner casing 1 along high-speed flow together, achievees the effect that fan.
It can to sum up obtain, the utility model solves biography by setting wind-guiding inner casing 1, wind-guiding shell 2, rear shell 5 and front housing 6 The portable hand-held fan structure of system is complicated, assembles time-consuming, the small problem of wind-force.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of bladeless fan, including wind-guiding inner casing (1), wind-guiding shell (2), rear shell (5) and front housing (6), it is characterised in that: institute It states front housing (6) and rear shell (5) inner sidewall two sides is respectively and fixedly provided with Kato (16), front housing (6) the inner sidewall outer is fixed with card column (19), rear shell (5) the inner sidewall outer is fixed with card cylinder (18), in the Kato (16) on the inside of the front housing (6) and rear shell (5) It is provided with inner fixed support (8) between the Kato (16) of side, inner fixed support (8) the rear wall outer is fixed with get stuck (9), institute It states to get stuck and be fixed with 18650 lithium batteries (15) in (9), inner fixed support (8) upper front end is provided with fixing groove (14), institute It states and is equipped with PCBA board (13) in fixing groove (14), two sides are connected separately with switch (23) and leaded light to the PCBA board (13) up and down Column (22), 18650 lithium battery (15) is connected by inside conductor with PCBA board (13), in inner fixed support (8) top Side is equipped with drag cup high-speed motor (7), is equipped with fan blade on the output shaft (21) on the drag cup high-speed motor (7) It (20), is interference fit between the output shaft (21) and on the resettlement groove in fan blade (20) and drag cup high-speed motor (7), it is described It is provided with air inlet hole (4) in front housing (6) and rear shell (5) upper portion side wall, the front housing (6) and rear shell (5) upper end are respectively connected with Half chuck (10) is socketed with sleeve (3) in half chuck (10) on the front housing (6) and rear shell (5), and sleeve (3) is with before It is interference fit between half chuck (10) on shell (6) and rear shell (5), is connected with wind-guiding shell (2), institute on the sleeve (3) It states wind-guiding shell (2) to communicate with sleeve (3), the wind-guiding shell (2) is internally provided with wind-guiding inner casing (1), and wind-guiding inner casing (1) It is clearance fit between wind-guiding shell (2), wind-guiding inner casing (1) front-end and back-end are respectively fixed with forward position (24) and rear edge (26), the forward position (24) on the wind-guiding inner casing (1) and the rear front end for being fixed on wind-guiding shell (2) that respectively corresponds along (26) are with after It holds, offers air-out groove (25) on wind-guiding inner casing (1) the leading inside wall.
2. a kind of bladeless fan according to claim 1, it is characterised in that: the card cylinder (18) on the rear shell (5) is arranged It is interference fit in the card column (19) on front housing (6), and between card cylinder (18) and card column (19).
3. a kind of bladeless fan according to claim 1, it is characterised in that: switch (23) on the PCBA board (13) and Switch slot (11) and instruction light trough (12), the switch (23) are respectively arranged at corresponding front housing (6) position of light-guiding pillar (22) Front end setting is in switch slot (11), and light-guiding pillar (22) the front end setting is in instruction light trough (12).
4. a kind of bladeless fan according to claim 1, it is characterised in that: the drag cup high-speed motor (7) passes through interior Conducting wire is connected with PCBA board (13).
5. a kind of bladeless fan according to claim 1, it is characterised in that: inner fixed support (8) bottom is fixed with Charging interface (17), and charging interface (17) is connected by inside conductor with PCBA board (13).
CN201821749936.4U 2018-10-27 2018-10-27 A kind of bladeless fan Active CN208918933U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821749936.4U CN208918933U (en) 2018-10-27 2018-10-27 A kind of bladeless fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821749936.4U CN208918933U (en) 2018-10-27 2018-10-27 A kind of bladeless fan

Publications (1)

Publication Number Publication Date
CN208918933U true CN208918933U (en) 2019-05-31

Family

ID=66710765

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821749936.4U Active CN208918933U (en) 2018-10-27 2018-10-27 A kind of bladeless fan

Country Status (1)

Country Link
CN (1) CN208918933U (en)

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